This guide will show you how to use less than $150 in commonly available materials to build an ASIC enclosure that can attenuate the noise by 20dB. The original idea for this enclosure design was put in the public domain by Steve Barbour of Upstream Data around the end of August 2021. The intent of the BlackBox enclosure is to allow the user to run their mining ASIC hardware outdoors where the heat and noise could more easily be controlled or dissipated. Excessive heat and noise are common problems users experience when mining bitcoin in the home or working space...